The particle moves from the origin to the point with coordinates (aa, bb) by moving first along the xx-axis to (aa, 0), then parallel to the yy-axis. How much work does the force do

One soccer player (a) is moving at 4 km/h when she kicks the ball while another soccer player (b) is moving at 8 km/h. what statement accurately compares their kinetic energy if they have the same mass? a) both soccer players have the same kinetic energy. b) player b has twice the kinetic energy of player a. c) player b has four times the kinetic energy of player a. d) their kinetic energy can't be compared without knowing their mass.